What's the Wildest App You've Ever Seen?

I've already talked about the 10 craziest iPhone apps I've seen — seriously, Poo Log? — but the Amp Up app really upped the ante on craziness. Even with all the news of Apple's strict app-review policies, it's hard to believe some of these could have slipped through the approval process. Have you seen any apps that made you do a double-take? What's the wildest one you've ever seen?